@charset "UTF-8";
 #popup {
    position: absolute;
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ccc;
    display: none;
  }
  #popup span{
	  color: yellow;
  }
 .main_nav{
	 margin-top: 10px;
 }
 #search_se{
	 margin-top: 30px;
 }
 @keyframes shadow-pulse {
  0% {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  }
  50% {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  }
  100% {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  }
}
img{
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  /* 动画名称、持续时间、无限循环、动画时间函数 */
  animation: shadow-pulse 2s infinite ease-in-out;
   transition: transform 0.5s ease, opacity 0.5s ease;
}
.one_slider a img:hover{
	transform: scale(1);
}